名校
解题方法
1 . 各棱长均为1且底面为正方形的平行六面体
,满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6660dbf8615c2a0dda71f6d9f395c1a5.png)
______ ;此平行六面体的体积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ecbca919bff5a39a99dd7f867dd61f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6660dbf8615c2a0dda71f6d9f395c1a5.png)
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2024-01-18更新
|
1184次组卷
|
5卷引用:重庆市部分学校2023-2024学年高二上学期学业水平阶段质量调研抽测数学试题
2 . 已知平行六面体
中,
,
与
的交点为
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4743196548bb4fa24830363feaeba315.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac212f72f4186dcd34a41e154c3a861.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a6c7782247ab9b845246b6c935c401d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce0d7095ddd69d6ceaf1065b1bc2c79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ecbca919bff5a39a99dd7f867dd61f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4743196548bb4fa24830363feaeba315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac212f72f4186dcd34a41e154c3a861.png)
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名校
解题方法
3 . 如图,在多面体ABCDEFG中,四边形ABCD为菱形,
,
,
,且
平面ABCD,四边形BEFG是正方形,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92862a1c50ab8cebd43267fe56988d5d.png)
______ ;异面直线AG与DE所成角的余弦值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea4f5eec0addba78f2e0cdfb7ecc59a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31d3f5e4389f2edf3955bfe13449b9db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e0bd4b30dc777ac9da80f6baa3eb31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92862a1c50ab8cebd43267fe56988d5d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/29/dc19338d-fd8b-4252-bf30-c5f2a75a1c36.png?resizew=175)
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解题方法
4 . 如图,在四面体OABC中,,
,
,用向量
表示
,则
,且
平面ABC,则实数
您最近一年使用:0次
2023-02-23更新
|
332次组卷
|
4卷引用:广东省广州市荔湾区2022-2023学年高二下学期教学质量调研数学试题
广东省广州市荔湾区2022-2023学年高二下学期教学质量调研数学试题(已下线)第08讲 空间向量基本定理7种常见考法归类-【暑假自学课】2023年新高二数学暑假精品课(人教A版2019选择性必修第一册)广东省东莞市弘林高级中学2023-2024学年高二上学期9月月考数学试题(A)(已下线)第一章 点线面位置关系 专题一 空间平行关系的判定与证明 微点4 直线与平面平行的判定与证明综合训练【基础版】
5 . 如图,在平行六面体
中,
,M是底面
的中心,设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ce6b40b3b0632ac1db2a245a4b38ee.png)
_______ (用
表示),
的长度为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cad9be4e6f7489abb5b62477ba2c665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/912283bdcbe7bc6938e12536b2319625.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ce6b40b3b0632ac1db2a245a4b38ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799ad95449b4135dee2890ac31c43706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5563473602e1b17d582a165b7b7b6b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/61852607-80c3-4656-b4cb-2fa89bebffb8.png?resizew=164)
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6 . 在棱长为1的正方体
中,P为正方体内一动点(包括表面),若
,且
.则点P所有可能的位置所构成的几何体的体积是________ ;表面积是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b145dc4f234a502249c72228fbe3dfdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/184bdabcc83fb710ad7fab7fbea77065.png)
您最近一年使用:0次
名校
解题方法
7 . 如图,在平行六面体
中,
为
的中点,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee477d164d38ff067fc4ce342cf6d380.png)
______ ;若该六面体的棱长都为2,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26c69a9feb14d4b9ccba6ae42837fd73.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40e8e2e79b8147dbb1a565531a183d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee477d164d38ff067fc4ce342cf6d380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f2a0a606abf89fbd04687717b366ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26c69a9feb14d4b9ccba6ae42837fd73.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/23/08ab4f10-2b11-4444-bd5e-4a86bb510da1.png?resizew=180)
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2022-12-22更新
|
510次组卷
|
3卷引用:广东省2022-2023学年高二上学期12月质量检测联考数学试题
名校
解题方法
8 . 如图1,
是平行四边形,
,如图2,把平行四边形沿对角线
折起,则三棱锥
体积的最大值为______________ .若
与
成
角,则
的长为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b395e0b0988b0e192bff331e02b2fe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c41ffdaecfb3c73d403179e5745c71a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/21/8ab5376c-da2f-43ea-82cc-ed98aaa0eaeb.png?resizew=277)
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9 . 如图,在平行六面体
中,
,
,点E为线段
上靠近于点B的三等分点,设
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/658ff9921ff96972b0fc95360bb0c65b.png)
____________ (用含有
,
,
的表达式表示);若点G为棱
上的一个动点,则
的最小值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/779d66259687dfc726c1a1d64a4ad006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29a2baab72c4e6b92b50cebc36fa225e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3adc4ed291596abf3bb93ae7a075d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e984585ddf28c039219afcebf229de7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8780f5b68f8907a57c1c2f96233a78c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/658ff9921ff96972b0fc95360bb0c65b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db6347100edf8ad9274cfa44f05609c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/5b52d46d-e279-4e37-a0ee-6c67e4bc2353.png?resizew=194)
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10 . 定义:设
是空间的一个基底,若向量
,则称有序实数组
为向量
在基底
下的坐标.已知
是空间的单位正交基底,
是空间的另一个基底,若向量
在基底
下的坐标为
.向量
在基底
下的坐标是_______________ ;模为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e10b1e3e9657d82013ec8f6beafb276.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07353c671f9ebfba437bd56bf5559875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/488bee1e4659353287974e7c6af9e802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1399e10bbd24ec48d84e31744388432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e10b1e3e9657d82013ec8f6beafb276.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2962ce042fb4be0aaa8e9fe58afdac25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f370a062e60826c83bdba854515f24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64e6f6adbc2bfad4ab60797dfd401145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f370a062e60826c83bdba854515f24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b609a5c3534ec456fa8b73f26c42895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64e6f6adbc2bfad4ab60797dfd401145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2962ce042fb4be0aaa8e9fe58afdac25.png)
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